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root@zcu106_vcu_trd:~# xmedia-ctl -p -d /dev/media1 -----> media node for HDMI input source
Media controller API version 4.19.0

Media device information
------------------------
driver          xilinx-video
model           Xilinx Video Composite Device
serial          
bus info        
hw revision     0x0
driver version  4.19.0

Device topology
- entity 1: vcap_hdmi output 0 (1 pad, 1 link)
            type Node subtype V4L flags 0
            device node name /dev/video0 -----> Video node for HDMI Rx source
        pad0: Sink
                <- "a0040000.v_proc_ss":1 [ENABLED]

- entity 5: a0040000.v_proc_ss (2 pads, 2 links)
            type V4L2 subdev subtype Unknown flags 0
            device node name /dev/v4l-subdev1
        pad0: Sink
                [fmt:VYYUYY10_4X20/1280x720 field:none colorspace:srgb]
                <- "a0000000.v_hdmi_rx_ss":0 [ENABLED]
        pad1: Source
                [fmt:VYYUYY10_4X20/1920x1080 field:none colorspace:srgb]
                -> "vcap_hdmi output 0":0 [ENABLED]

- entity 8: a0000000.v_hdmi_rx_ss (1 pad, 1 link)
            type V4L2 subdev subtype Unknown flags 0
            device node name /dev/v4l-subdev2
        pad0: Source
                [fmt:RBG888_1X24/3840x2160 field:none colorspace:srgb]
                [dv.caps:BT.656/1120 min:0x0@25000000 max:4096x2160@297000000 stds:CEA-861,DMT,CVT,GTF caps:progressive,reduced-blanking,custom
]
                [dv.query:no-link] -----> HDMI Rx Link Status
                -> "a0040000.v_proc_ss":0 [ENABLED]

NOTE: Here "dv.query:no-link" under "v_hdmi_rx_ss" node shows HDMI-Rx source is not connected or HDMI-Rx source is not active(Try waking up the device by pressing a key on remote).

• Follow the below steps to switch the HDMI-Rx resolution from 1080p60 to 4kp60.
  • Check current HDMI Input Source Resolution (1080p60) by following the above-mentioned steps.
  • Run vcu_gst_app for current HDMI resolution (1080p60) by executing the following command.

$ vcu_gst_app /media/card/config/input.cfg

Below configurations needs to be set in input.cfg for non-LLP2 HDMI-1080p60 use-case.

Common Configuration    : START
Num Of Input            : 1
InputOutput Type              : hdmi_1 Raw  : HDMI
Out Type                : FALSEDisplay
WidthFrame Rate              : 60
Exit

:Input 1920Configuration Height    : START
Input Num           :  1080 Format : 1
Input Type              : XV20hdmi_1
EnableRaw LLP2             : FALSE Exit  Encoder Configuration   : STARTFALSE
EncoderWidth Num             : 1 Encoder Name  : 1920
Height        : HEVC Profile        : 1080
Format       : Main Rate Control            : Low_LatencyXV20
FillerEnable DataLLP2             : FalseFALSE
QPExit

Encoder Configuration   : START
Encoder Num             : Auto1
L2Encoder CacheName            : HEVC
Profile  : TRUE Latency Mode            : Main
Sub_FrameRate LowControl Bandwidth           : FALSELow_Latency
GopFiller ModeData             : False
QP   : Basic Bitrate                 : 25000Auto
BL2 FramesCache                : 0
Slice TRUE
Latency Mode            : Sub_Frame
Low Bandwidth           : 8FALSE
Gop Mode GoP Length              : 60Basic
PresetBitrate                  : Custom
Exit

• • Change Resolution of HDMI Input Source from 1080p60 to 4kp60 by following below steps.
    • Set the HDMI source resolution to 4kp60 (Homepage → Settings → Display & Sound → Resolution → change to 4kp60).
    • Save the configuration to take place the change.
  • Verify the desired HDMI Input Source Resolution (4kp60) by following the above-mentioned steps.

• If HDMI Tx link-up issue is observed after Linux booting, use the following command to get the blue screen on HDMI-Tx for 4kp60.

% modetest -D a00c0000.v_mix -s 35:3840x2160-60@BG24

• The table below lists the parameters of the pixel format.

• Run the following gst-launch-1.0 command to display XV20 video on HDMI-Tx using ultra low-latency(LLP2) GStreamer pipeline (capture → encode → decode → display). Where "video0" indicates a video node for the input source.

$ gst-launch-1.0 v4l2src io-mode=4 device=/dev/video0 ! video/x-raw\(memory:XLNXLL\), width=3840, height=2160, format=NV16_10LE32, framerate=60/1 ! omxh265enc qp-mode=auto gop-mode=basic gop-length=60 b-frames=0 target-bitrate=25000 num-slices=8 control-rate=low-latency prefetch-buffer=TRUE low-bandwidth=false filler-data=0 cpb-size=1000 initial-delay=500 ! video/x-h265, alignment=nal ! queue max-size-buffers=0 ! omxh265dec low-latency=1 ! video/x-raw\(memory:XLNXLL\) ! queue max-size-bytes=0 ! fpsdisplaysink name=fpssink text-overlay=false video-sink="kmssink bus-id=a00c0000.v_mix plane-id=30 max-lateness=5000000 show-preroll-frame=false sync=true" sync=true25000
B Frames                : 0
Slice                   : 8
GoP Length              : 60
Preset                  : Custom
Exit

• • Change Resolution of HDMI Input Source from 1080p60 to 4kp60 by following below steps.
    • Set the HDMI source resolution to 4kp60 (Homepage → Settings → Display & Sound → Resolution → change to 4kp60).
    • Save the configuration to take place the change.
  • Verify the desired HDMI Input Source Resolution (4kp60) by following the above-mentioned steps.

• If HDMI Tx link-up issue is observed after Linux booting, use the following command to get the blue screen on HDMI-Tx for 4kp60.

% modetest -D a00c0000.v_mix -s 35:3840x2160-60@BG24

• The table below lists the parameters of the pixel format.

• Run the following gst-launch-1.0 command to

• display XV20 video on HDMI-Tx using ultra low-latency(LLP2) GStreamer pipeline (capture → encode → decode → display). Where "video0" indicates a video node for the input source.

$ gst-launch-1.0 v4l2src io-mode=4 device=/dev/video0 ! video/x-raw\(memory:XLNXLL\), width=3840, height=2160, format=NV16_10LE32, framerate=60/1 ! omxh265enc qp-mode=auto gop-mode=